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【单选题】
在产品生命周期的最初阶段,把价格高,以攫取最大利润,这种定价策略属于()。A.
撇脂定价
B.
渗透定价
C.
招徕定价
D.
分部定价
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反馈参考答案：
举一反三
【判断题】In the case of the amplifier, the current through the device varies continuously according to a controlled input.
A.
正确
B.
错误
【单选题】听力原文：W: Hi,Bill.Have you finished the paper assigned by Professor Smith? M: Well,that's why I am still here rather than going to play basketball with my roommates. Q: What do we learn about the man fr...
A.
He will finish the paper rafter playing basketball.
B.
He hasn't finished doing his assignment yet.
C.
He stays in the dormitory with his roommates.
D.
He is playing basketball with his roommates.
【单选题】The voltage regulator controls the current through _____.
A.
The generator brushes
B.
The rotor
C.
The generator field
D.
All of the above
【简答题】三段体中由于呈示段和中段合并反复,且反复时产生了变化(通常为调性上的),而产生的曲式结构为三段体的特殊形式,称之为 ,其基本图示为 。
【简答题】有一本英文小说,他在计算机中用纯文本形式表示,文件扩展名为txt,大小为1KB,该小说所包含字母(字母,数字,标点符号等)的总数是 个
【简答题】— He hasn’t finished the work yet. — Well, he _____. A.ought B. ought to C. oughtto have D. ought to have finished
【单选题】The voltage across an inductor leads the current through it by .
A.
0 °
B.
90 °
C.
-90 °
D.
180 °
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